Home / 242,904.88-335,235-147,415.60

Finding the Fourth Proportional to 242,904.88, 335,235 and 147,415.60

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Solution

The fourth proportional to 242,904.88, 335,235 and 147,415.60 is: 203,449.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,904.88 : 335,235 = 147,415.60 : x
  2. Step 2: Convert to fraction form
    242,904.88/335,235 = 147,415.60/x
  3. Step 3: Cross multiply
    242,904.88x = 335,235 × 147,415.60
  4. Step 4: Simplify right side
    242,904.88x = 49,418,868,666
  5. Step 5: Solve for x
    x = 49,418,868,666/242,904.88
  6. Step 6: Final answer
    x = 203,449.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.